//
//  Person.h
//  OC06_集合遍历和数组排序
//
//  Created by dllo on 15/12/8.
//  Copyright © 2015年 dllo. All rights reserved.
//

#import <Foundation/Foundation.h>

@interface Person : NSObject

@property (nonatomic, retain)NSString *name;
@property (nonatomic, assign)NSInteger age;
@property (nonatomic, retain)NSString *sex;

- (instancetype)initWithName:(NSString *)name
                         age:(NSInteger)age
                         sex:(NSString *)sex;


/** 声明一个按照name升序排序的方法. */
- (NSComparisonResult)compareWithNameUP:(Person *)anotherPerson;

/** 声明一个按照name升序 #降序# 的方法. */
- (NSComparisonResult)compareWithNameDown:(Person *)anotherPerson;

/** 按照年龄升序 */
- (NSComparisonResult)compareWithAgeUP:(Person *)anotherPerson;




@end
